This document provides specifications for AXIAL FAN LOW PRESSURE explosion proof electrical equipment models MQ-BQ and MQ-BC. The fans are rated for use in hazardous areas with gas classifications and have IP65 protection. They comply with various European and Russian certification standards and are available in a range of sizes from 300 to 600mm with power ratings from 0.18 to 1.0Hp and airflow rates from 1750 to 15,000m3/h. The document provides detailed technical specifications, dimensions, performance characteristics, and application information for the fans.

1. AXIAL FAN LOW PRESSURE
Explosion Proof Electrical Equipment
Ex Axial fan
MQ-BQ / MQ-BC
Installation: hazardous areas - Zone 1 / 2 (Gases)
Classification: Group II - Category 2G
AXIAL FAN
ATEX 94/9/EC
GOST-R (RTR / RTN)
II 2 G Ex d IIB T3/T4
II 2 G Ex d IIC T3/T4
EXECUTION
INSTALLATION
-
ZONE 1 / 2
ZONE 1 / 2
IP65
IP65
INERIS 04 ATEX 0095
POCC IT. MГ01.B02998
EN 60079-0; EN 60079-1; EN 61241-1
ГОСТ Р 51330.9-99 (МЭК 60079-10-95)
ГОСТ Р 51330.13-99 (МЭК 60079-14-96)
ГОСТ Р МЭК 61241-3-99
PROTECTION DEGREE
CERTIFICATE REF.
RULES OF COMPLIANCE
Mechanical characteristics
Air conveyor
steel ring Fe 37B
Impeller
mounted overhung at the mototr shaft
Painting
by immersion in bath electrophoresis and subsequent firing in a kiln
APPLICATIONS
• PLEASE NOTE THAT IN ORDER TO MAKING EFFECTIVE CORRECT WORKING OF FANS, MUST REPLACE THE EXTACTED AIR WITH SAME
VOLUME AIR INTRODUCED IN ENVIRONMENT
On Request Accessories:
• External epoxy painting (any colours)
• Threaded cable entry different than standard
Since 1961
YOUR PARTNER FOR SAFETY
Feam Catalogue 01 - 1
MQ-BQ / MQ-BC
• for aeration plants where it is necessary to remove heat, smoke, stale air

2. Ex Axial fan
MQ-BQ / MQ-BC Technical Features
A
[mm]
CODE
B
[mm]
ØC
mm]
ØD
[mm]
E
[mm]
F
WEIGHT DETAIL
[mm]
[Kg]
CODE
A
[mm]
B
[mm]
ØC
mm]
ØD
[mm]
E
[mm]
F
WEIGHT DETAIL
[mm]
[Kg]
MQBQ304
400
350
390
315
102
297
8,00 A
MQBC304
-
-
390
315
100
295
7,00
B
MQBQ354
450
400
440
365
102
297
10,00 A
MQBC354
-
-
440
365
100
295
8,50
B
MQBQ404
500
450
490
415
107
302
11,00 A
MQBC404
-
-
490
415
105
300
9,50
B
MQBQ454
550
500
540
465
108
318
12,00 A
MQBC454
-
-
540
465
106
316
10,50
B
MQBQ504
600
550
590
515
123
333
15,00 A
MQBC504
-
-
590
515
121
331
13,00
B
MQBQ506
600
550
590
515
123
333
18,00 A
MQBC506
-
-
590
515
121
331
16,00
B
MQBQ554
680
630
665
567
125
355
19,00 A
MQBC554
-
-
665
567
121
331
16,50
B
MQBQ556
680
630
665
567
125
355
22,00 A
MQBC556
-
-
665
567
121
331
19,50
B
MQBQ604
730
680
715
617
140
370
24,00 A
MQBC604
-
-
715
617
138
368
21,00
B
B
MQBQ606
730
680
715
617
140
370
26,00 A
MQBC606
-
-
715
617
138
368
23,00
MQBQ304M
400
350
390
315
102
297
8,00 A
MQBC304M
-
-
390
315
100
295
7,00
B
MQBQ354M
450
400
440
365
102
297
10,00 A
MQBC354M
-
-
440
365
100
295
8,50
B
MQBQ404M
500
450
490
415
107
302
11,00 A
MQBC404M
-
-
490
415
105
300
9,50
B
MQBQ454M
550
500
540
465
108
318
12,00 A
MQBC454M
-
-
540
465
106
316
10,50
B
MQBQ504M
600
550
590
515
123
333
15,00 A
MQBC504M
-
-
590
515
121
331
13,00
B
MQBQ506M
600
550
590
515
123
333
18,00 A
MQBC506M
-
-
590
515
121
331
16,00
B
MQBQ554M
680
630
665
567
125
355
19,00 A
MQBC554M
-
-
665
567
121
331
16,50
B
MQBQ556M
680
630
665
567
125
355
22,00 A
MQBC556M
-
-
665
567
121
331
19,50
B
MQBQ604M
730
680
715
617
140
370
24,00 A
MQBC604M
-
-
715
617
138
368
21,00
B
MQBQ606M
730
680
715
617
140
370
26,00 A
MQBC606M
-
-
715
617
138
368
23,00
B
CODE
TURNS/min.
VOLTAGE
Hp.
m³/h
TURNS/min.
VOLTAGE
Hp.
m³/h
MQBQ304
CODE
1400
400V - 50Hz
0,18
1750 A
DETAIL
MQBC304
1400
400V - 50Hz
0,18
1750
DETAIL
B
MQBQ354
1400
400V - 50Hz
0,25
3000 A
MQBC354
1400
400V - 50Hz
0,25
3000
B
MQBQ404
1400
400V - 50Hz
0,25
4500 A
MQBC404
1400
400V - 50Hz
0,25
4500
B
MQBQ454
1400
400V - 50Hz
0,33
5500 A
MQBC454
1400
400V - 50Hz
0,33
5500
B
MQBQ504
1400
400V - 50Hz
0,5
8000 A
MQBC504
1400
400V - 50Hz
0,5
8000
B
MQBQ506
900
400V - 50Hz
0,33
5500 A
MQBC506
900
400V - 50Hz
0,33
5500
B
MQBQ554
1400
400V - 50Hz
0,75
12000 A
MQBC554
1400
400V - 50Hz
0,75
12000
B
MQBQ556
900
400V - 50Hz
0,5
700 A
MQBC556
900
400V - 50Hz
0,5
700
B
B
MQBQ604
1400
400V - 50Hz
1,00
15000 A
MQBC604
1400
400V - 50Hz
1,00
15000
MQBQ606
900
400V - 50Hz
0,75
10000 A
MQBC606
900
400V - 50Hz
0,75
10000
B
MQBQ304M
1400
230V - 50Hz
0,18
1750 A
MQBC304M
1400
230V - 50Hz
0,18
1750
B
MQBQ354M
1400
230V - 50Hz
0,25
3000 A
MQBC354M
1400
230V - 50Hz
0,25
3000
B
MQBQ404M
1400
230V - 50Hz
0,25
4500 A
MQBC404M
1400
230V - 50Hz
0,25
4500
B
MQBQ454M
1400
230V - 50Hz
0,33
5500 A
MQBC454M
1400
230V - 50Hz
0,33
5500
B
MQBQ504M
1400
230V - 50Hz
0,5
8000 A
MQBC504M
1400
230V - 50Hz
0,5
8000
B
MQBQ506M
900
230V - 50Hz
0,33
5500 A
MQBC506M
900
230V - 50Hz
0,33
5500
B
MQBQ554M
1400
230V - 50Hz
0,75
12000 A
MQBC554M
1400
230V - 50Hz
0,75
12000
B
MQBQ556M
900
230V - 50Hz
0,5
700 A
MQBC556M
900
230V - 50Hz
0,5
700
B
MQBQ604M
1400
230V - 50Hz
1,00
15000 A
MQBC604M
1400
230V - 50Hz
1,00
15000
B
MQBQ606M
900
230V - 50Hz
0,75
10000 A
MQBC606M
900
230V - 50Hz
0,75
10000
B
Reference Details
MQ-BQ / MQ-BC
ØC
15
F
B
E
ØC
B
A
ØD
E
ØD
A
F
REMARK:
Due to the development of the national and international specifications and of the technology, the above technical characteristics
showed on this bulletin can be considered as binding on our confirmation only.
Since 1961
2 - Feam Catalogue 01
YOUR PARTNER FOR SAFETY